JP5018325B2 - 内燃機関の排気浄化装置 - Google Patents

内燃機関の排気浄化装置 Download PDF

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Publication number
JP5018325B2
JP5018325B2 JP2007207015A JP2007207015A JP5018325B2 JP 5018325 B2 JP5018325 B2 JP 5018325B2 JP 2007207015 A JP2007207015 A JP 2007207015A JP 2007207015 A JP2007207015 A JP 2007207015A JP 5018325 B2 JP5018325 B2 JP 5018325B2
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JP
Japan
Prior art keywords
amount
storage catalyst
catalyst
storage
unit time
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2007207015A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009041442A (ja
Inventor
孝充 浅沼
信也 広田
耕平 吉田
寛真 西岡
寛 大月
富久 小田
俊祐 利岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP2007207015A priority Critical patent/JP5018325B2/ja
Priority to US12/522,183 priority patent/US8341941B2/en
Priority to PCT/JP2008/062364 priority patent/WO2009019951A1/fr
Priority to EP08777973.2A priority patent/EP2175113B1/fr
Priority to CN2008800045664A priority patent/CN101605969B/zh
Publication of JP2009041442A publication Critical patent/JP2009041442A/ja
Application granted granted Critical
Publication of JP5018325B2 publication Critical patent/JP5018325B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
    • F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9404—Removing only nitrogen compounds
    • B01D53/9409—Nitrogen oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/92—Chemical or biological purification of waste gases of engine exhaust gases
    • B01D53/94—Chemical or biological purification of waste gases of engine exhaust gases by catalytic processes
    • B01D53/9495—Controlling the catalytic process
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0814—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents combined with catalytic converters, e.g. NOx absorption/storage reduction catalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0871—Regulation of absorbents or adsorbents, e.g. purging
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F01N3/2066—Selective catalytic reduction [SCR]
    • F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/20—Reductants
    • B01D2251/206—Ammonium compounds
    • B01D2251/2067—Urea
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/40—Nitrogen compounds
    • B01D2257/404—Nitrogen oxides other than dinitrogen oxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2610/00—Adding substances to exhaust gases
    • F01N2610/14—Arrangements for the supply of substances, e.g. conduits
    • F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
    • F01N2610/146—Control thereof, e.g. control of injectors or injection valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
    • F01N2900/06—Parameters used for exhaust control or diagnosing
    • F01N2900/08—Parameters used for exhaust control or diagnosing said parameters being related to the engine
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Toxicology (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Processes For Solid Components From Exhaust (AREA)
JP2007207015A 2007-08-08 2007-08-08 内燃機関の排気浄化装置 Expired - Fee Related JP5018325B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2007207015A JP5018325B2 (ja) 2007-08-08 2007-08-08 内燃機関の排気浄化装置
US12/522,183 US8341941B2 (en) 2007-08-08 2008-07-02 Exhaust purification device of internal combustion engine
PCT/JP2008/062364 WO2009019951A1 (fr) 2007-08-08 2008-07-02 Appareil de purification de gaz d'échappement pour moteur à combustion interne
EP08777973.2A EP2175113B1 (fr) 2007-08-08 2008-07-02 Appareil de purification de gaz d'échappement pour moteur à combustion interne
CN2008800045664A CN101605969B (zh) 2007-08-08 2008-07-02 内燃机的排气净化装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007207015A JP5018325B2 (ja) 2007-08-08 2007-08-08 内燃機関の排気浄化装置

Publications (2)

Publication Number Publication Date
JP2009041442A JP2009041442A (ja) 2009-02-26
JP5018325B2 true JP5018325B2 (ja) 2012-09-05

Family

ID=40341188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007207015A Expired - Fee Related JP5018325B2 (ja) 2007-08-08 2007-08-08 内燃機関の排気浄化装置

Country Status (5)

Country Link
US (1) US8341941B2 (fr)
EP (1) EP2175113B1 (fr)
JP (1) JP5018325B2 (fr)
CN (1) CN101605969B (fr)
WO (1) WO2009019951A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010121530A (ja) * 2008-11-19 2010-06-03 Mitsubishi Fuso Truck & Bus Corp 排気処理装置
JP2011047371A (ja) * 2009-08-28 2011-03-10 Honda Motor Co Ltd 内燃機関の排気浄化装置
WO2011042997A1 (fr) * 2009-10-09 2011-04-14 トヨタ自動車株式会社 Purificateur de gaz d'echappement pour moteur thermique
GB2478132A (en) * 2010-02-25 2011-08-31 Gm Global Tech Operations Inc Device to reduce NOx for all driving profiles at both low and high exhaust temperatures.
JP5136694B2 (ja) * 2010-05-20 2013-02-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP2868881A4 (fr) * 2012-06-19 2015-07-29 Toyota Motor Co Ltd Dispositif d'épuration d'échappement pour moteur à combustion interne
JP5949954B2 (ja) * 2013-01-25 2016-07-13 トヨタ自動車株式会社 内燃機関の排気浄化装置
EP2977575A1 (fr) * 2013-03-18 2016-01-27 Yanmar Co., Ltd. Système d'épuration d'échappement et navire le comportant
JP6388208B2 (ja) * 2014-11-20 2018-09-12 株式会社デンソー 内燃機関の排気浄化装置
JP6401108B2 (ja) * 2015-05-08 2018-10-03 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP6512200B2 (ja) 2016-09-30 2019-05-15 トヨタ自動車株式会社 内燃機関の排気浄化システム
JP6512199B2 (ja) 2016-09-30 2019-05-15 トヨタ自動車株式会社 内燃機関の排気浄化システム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2783074B2 (ja) * 1991-10-29 1998-08-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
US5783160A (en) * 1995-01-27 1998-07-21 Toyota Jidosha Kabushiki Kaisha Method for purifying combustion exhaust gas
JPH1181992A (ja) * 1997-09-16 1999-03-26 Denso Corp 内燃機関の排気浄化装置
JP2001303934A (ja) * 1998-06-23 2001-10-31 Toyota Motor Corp 内燃機関の排気浄化装置
US6182443B1 (en) * 1999-02-09 2001-02-06 Ford Global Technologies, Inc. Method for converting exhaust gases from a diesel engine using nitrogen oxide absorbent
JP3518398B2 (ja) 1999-03-11 2004-04-12 トヨタ自動車株式会社 内燃機関の排気浄化装置
US6354079B1 (en) 1999-11-26 2002-03-12 Hyundai Motor Company Apparatus and method of purifying NOx in the exhaust gas of the diesel engine
US6415602B1 (en) * 2000-10-16 2002-07-09 Engelhard Corporation Control system for mobile NOx SCR applications
JP4556364B2 (ja) * 2001-08-23 2010-10-06 トヨタ自動車株式会社 内燃機関の排気浄化装置
JP2003269142A (ja) * 2002-03-12 2003-09-25 Babcock Hitachi Kk 排ガス浄化方法および装置
JP2003286827A (ja) 2002-03-28 2003-10-10 Nissan Diesel Motor Co Ltd 内燃機関の排気浄化装置
DE10300298A1 (de) 2003-01-02 2004-07-15 Daimlerchrysler Ag Abgasnachbehandlungseinrichtung und -verfahren
DE10308287B4 (de) * 2003-02-26 2006-11-30 Umicore Ag & Co. Kg Verfahren zur Abgasreinigung
US7331170B2 (en) * 2003-05-22 2008-02-19 Hino Motors, Ltd. Exhaust emission control device
JP4233393B2 (ja) * 2003-06-12 2009-03-04 日野自動車株式会社 排気浄化装置
JP4556587B2 (ja) * 2004-09-22 2010-10-06 マツダ株式会社 排気ガス浄化装置
US7178328B2 (en) * 2004-12-20 2007-02-20 General Motors Corporation System for controlling the urea supply to SCR catalysts
US20070056266A1 (en) * 2005-09-13 2007-03-15 Eric Kurtz System and method for regenerating a NOx storage and conversion device

Also Published As

Publication number Publication date
EP2175113A1 (fr) 2010-04-14
CN101605969B (zh) 2011-07-13
EP2175113A4 (fr) 2013-08-21
JP2009041442A (ja) 2009-02-26
EP2175113B1 (fr) 2018-02-28
CN101605969A (zh) 2009-12-16
US8341941B2 (en) 2013-01-01
US20100089039A1 (en) 2010-04-15
WO2009019951A1 (fr) 2009-02-12

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